Sin City

CSS

:root {
  --sin-city: #cfa236;
  --sin-city-rgb: 207 162 54;
  --sin-city-oklch: oklch(0.735 0.132 85.2);
}

.element {
  color: var(--sin-city);
  background-color: hsl(42 61% 51%);
  border-color: oklch(0.735 0.132 85.2);
}

Tailwind CSS v4

@theme {
  --color-sin-city: #cfa236;
  --color-sin-city-50: #fff4cb;
  --color-sin-city-100: #fbe6b6;
  --color-sin-city-200: #ecd193;
  --color-sin-city-300: #d4b364;
  --color-sin-city-400: #c29832;
  --color-sin-city-500: #ae7d00;
  --color-sin-city-600: #936a00;
  --color-sin-city-700: #765500;
  --color-sin-city-800: #583d00;
  --color-sin-city-900: #3e2a00;
  --color-sin-city-950: #271700;
}

SCSS

$sin-city: #cfa236;
$sin-city-rgb: 207, 162, 54;
$sin-city-light: mix(#fff, $sin-city, 20%);
$sin-city-dark: mix(#000, $sin-city, 20%);

.element {
  color: $sin-city;
  box-shadow: 0 0 0 2px rgba($sin-city, 0.35);
}